Parens around exceptions needed in 3.13

Author: ambv

Lib/site.py

@@ -573,7 +573,7 @@ def register_readline():
         def write_history():
             try:
                 readline_module.write_history_file(history)
-            except FileNotFoundError, PermissionError:
+            except (FileNotFoundError, PermissionError):
                 # home directory does not exist or is not writable
                 # https://bugs.python.org/issue19891
                 pass